DPA426 Power Integrations, DPA426 Datasheet - Page 28

• Manufacturer Part Number: DPA426
• Description: (DPA423 - DPA426) Highly Integrated DC-DC Converter ICs for Distributed Power Architectures
• Manufacturer: Power Integrations

Typical Performance Characteristics (cont.)
28
DPA423-426
Figure 35. Frequency vs. Temperature.
Figure 39. Under-Voltage Threshold vs. Temperature.
Figure 37. External Current Limit vs. Temperature
K
1/04
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25
-50 -25
-50 -25
with R
Junction Temperature (°C)
Junction Temperature (°C)
Junction Temperature (°C)
0
0
0
IL
=12 k Ω .
25
25
25
50
50
50
75 100 125 150
75 100 125 150
75 100 125 150
Figure 38. Overvoltage Threshold vs. Temperature.
Figure 40. LINE-SENSE Pin Voltage vs. Current.
Figure 36. Internal Current Limit vs. Temperature.
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
0
-200
-50 -25
-50 -25
-150
LINE-SENSE Pin Current (µA)
Junction Temperature (°C)
Junction Temperature (°C)
-100 -50
0
0
25
25
0
50
50
50 100 150 200 250
75 100 125 150
75 100 125 150